1.CAS NO.:75-20-7,MF:C2Ca 2.Appearance:Grey or black solid with a garli 3.High ... .100.10Size Requestion: Size,mmWithin the limit of the size,%2.5mm Siftage,%Ash,%80-200≥85≤5≤150-80≥85 ... ≤1Application:1.The main raw material for producing acetylene gas.2.Cutting and welding for metal material.3.To synthesize polyvinyl ...